Heat Shock Protein 70 (68 kDa), IgG by Western Blot
0097338
Ordering Recommendation
Not recommended for evaluation of general hearing loss.
Submit With Order
Mnemonic
68KD HSP
Methodology
Qualitative Western Blot
Performed
Thu
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or plain red.  
Specimen Preparation
Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Specimens collected with anticoagulants or preservatives. Hemolyzed or lipemic specimens. Specimens with large clots or bacterial growth present.  
Remarks
 
Stability
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year  
Reference Interval
Negative
Interpretive Data
Western blot assay for HSP70 (68 kDa), IgG antibody may be utilized in predicting corticosteroid responsiveness in patients with idiopathic rapidly progressive sensorineural hearing loss. Indeterminate results should be repeated using a fresh specimen collected after 10-14 days. Other autoimmune diseases may also produce positive results.

See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
84182
Components
Component Test Code*Component Chart Name
0097338Heat Shock Protein 70, IgG by WB
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Cross References
  • 68KD
  • Anticochlear
  • Heat Shock Protein
  • Heat Shock Protein 70
  • HSP 70 Ab